<template>
  <transition name="move">
    <div v-show="showFlag" class="food" ref="food">
      <div class="food-content">
        <div class="image-header">
          <img :src="food.image" />
          <div class="back" @click.stop.prevent="hide">
            <i class="icon-arrow_lift"></i>
          </div>
        </div>
        <div class="content">
          <h1 class="title">{{food.name}}</h1>
          <div class="detail">
            <span class="sell-count">月售{{food.sellCount}}份</span>
            <span class="rating">好评率{{food.rating}}%</span>
          </div>
          <div class="price">
            <span class="now">￥{{food.price}}</span>
            <span v-show="food.oldPrice" class="old">￥{{food.oldPrice}}</span>
          </div>
          <div class="cartcontrol-wrapper">
            <cartcontrol :food="food"></cartcontrol>
          </div>
          <transition name="hide">
            <div
              class="buy"
              v-show="!food.count || food.count === 0"
              @click.stop.prevent="addFirst"
            >加入购物车</div>
          </transition>
        </div>
        <split></split>
        <div class="info" v-show="food.info">
          <h1 class="title">商品信息</h1>
          <p class="text">{{food.info}}</p>
        </div>
        <split></split>
        <div class="rating">
          <h1 class="title">商品评价</h1>
          <ratingselect
            :select-Type="selectType"
            :only-content="onlyContent"
            :desc="desc"
            :ratings="food.ratings"
            v-on:updateData="updateAttr($event)"
          ></ratingselect>
          <div class="rating-wrapper">
            <ul v-show="food.ratings && food.ratings.length">
              <li
                v-show="needShow(rating.rateType,rating.text)"
                v-for="rating in food.ratings"
                :key="rating.id"
                class="rating-item border-1px"
              >
                <div class="user">
                  <span class="name">{{rating.username}}</span>
                  <img :src="rating.avatar" class="avatar" width="12" height="12" />
                </div>
                <div class="time">{{rating.rateTime | formatDate }}</div>
                <div class="text">
                  <span
                    :class="{'icon-thumb_up':rating.rateType === 0,'icon-thumb_down':rating.rateType ===1}"
                  ></span>
                  {{rating.text}}
                </div>
              </li>
            </ul>
            <div class="no-rating" v-show="!food.ratings || !food.ratings.length">暂无评价</div>
          </div>
        </div>
      </div>
    </div>
  </transition>
</template>

<script type="text/ecmascript-6">
import BScroll from "better-scroll";
import cartcontrol from "@/components/cartcontrol/cartcontrol";
import Vue from "vue";
import split from "@/components/split/split";
import ratingselect from "@/components/ratingselect/ratingselect";
import { formatDate } from "@/common/js/date";

//      v-on:update:onlyContent="onlyContent = $event"

const POSITIVE = 0;
const NEGATIVE = 1;
const ALL = 2;

export default {
  props: {
    food: {
      type: Object
    }
  },
  data() {
    return {
      showFlag: false,
      selectType: ALL,
      onlyContent: false,
      desc: {
        all: "全部",
        positive: "推荐",
        negative: "吐槽"
      }
    };
  },
  methods: {
    needShow(type, text) {
      if (this.onlyContent && !text) {
        return false;
      }
      if (this.selectType === ALL) {
        return true;
      } else {
        return type === this.selectType;
      }
    },
    show() {
      this.showFlag = true;
      this.selectType = ALL;
      this.onlyContent = false;
      this.$nextTick(() => {
        if (!this.scroll) {
          this.scroll = new BScroll(this.$refs.food, {
            click: true
          });
        } else {
          this.scroll.refresh();
        }
      });
    },
    hide() {
      this.showFlag = false;
    },
    addFirst(event) {
      if (!event._constructed) {
        return;
      }
      Vue.set(this.food, "count", 1);
    },
    updateAttr(update) {
      this.selectType = update.type;
      this.$nextTick(() => {
        this.scroll.refresh();
      });

      this.onlyContent = update.onlyContent;
      this.$nextTick(() => {
        this.scroll.refresh();
      });
    }
  },
  filters: {
    formatDate(time) {
      let date = new Date(time);
      return formatDate(date, "yyyy-MM-dd hh:mm");
    }
  },
  components: {
    cartcontrol,
    split,
    ratingselect
  }
};
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped lang='stylus' rel='stylesheet/stylus'>
@import '../../common/style/mixin.styl';

.food {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 48px;
  z-index: 30px;
  width: 100%;
  background: #fff;
  transition: all 0.2s linear;
  transform: translate3d(0, 0, 0);
}

.move-enter, .move-leave-to {
  transform: translate3d(100%, 0, 0);
}

.image-header {
  position: relative;
  width: 100%;
  height: 0;
  padding-top: 100%;

  img {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
  }

  .back {
    position: absolute;
    top: 10px;
    left: 0;

    .icon-arrow_lift {
      display: block;
      padding: 10px;
      font-size: 20px;
      color: #fff;
    }
  }
}

.content {
  padding: 18px;
  position: relative;

  .title {
    line-height: 14px;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 700;
    corlor: rgb(7, 17, 27);
  }

  .detail {
    margin-bottom: 18px;
    line-height: 10px;
    font-size: 0;
    height: 10px;

    .sell-count, .rating {
      font-size: 10px;
      color: rgb(147, 153, 159);
    }

    .sell-count {
      margin-right: 12px;
    }
  }

  .price {
    font-weight: 700;
    line-height: 24px;

    .now {
      margin-right: 8px;
      font-size: 14px;
      color: rgb(240, 20, 20);
    }

    .old {
      text-decoration: line-through;
      font-size: 10px;
      color: rgb(147, 153, 159);
    }
  }

  .cartcontrol-wrapper {
    position: absolute;
    right: 12px;
    bottom: 12px;
  }

  .buy {
    position: absolute;
    right: 18px;
    bottom: 18px;
    z-index: 10;
    height: 24px;
    line-height: 24px;
    padding: 0 12px;
    box-sizing: border-box;
    border-radius: 12px;
    font-size: 10px;
    color: #fff;
    background: rgb(0, 160, 220);
    transition: all 0.2s;
    opacity: 1;
  }

  .hide-enter, .hide-leave-to {
    opacity: 0;
  }
}

.info {
  padding: 18px;

  .title {
    line-height: 14px;
    margin-bottom: 6px;
    font-size: 14px;
    color: rgb(7, 17, 27);
  }

  .text {
    line-height: 24px;
    padding: 0 8px;
    font-size: 12px;
    color: rgb(77, 85, 93);
  }
}

.rating {
  padding-top: 18px;

  .title {
    line-height: 14px;
    margin-left: 18px;
    font-size: 14px;
    color: rgb(7, 17, 27);
  }

  .rating-wrapper {
    padding: 0 18px;

    .rating-item {
      position: relative;
      padding: 16px 0;
      border-1px(rgba(7, 17, 27, 0.1));

      .user {
        position: absolute;
        right: 0;
        top: 16px;
        line-height: 12px;
        font-size: 0;

        .name {
          display: inline-block;
          margin-right: 16px;
          font-size: 10px;
          color: rgb(147, 153, 159);
        }

        .avatar {
          border-radius: 50%;
        }
      }

      .time {
        margin-bottom: 6px;
        font-size: 10px;
        line-height: 12px;
        color: rgb(147, 153, 159);
      }

      .text {
        line-height: 16px;
        font-size: 12px;
        color: rgb(7, 17, 27);

        .icon-thumb_down, .icon-thumb_up {
          line-height: 16px;
          margin-right: 4px;
          font-size: 12px;
        }

        .icon-thumb_down {
          color: rgb(147, 153, 159);
        }

        .icon-thumb_up {
          color: rgb(0, 160, 220);
        }
      }
    }

    .no-rating {
      padding: 16px 0;
      font-size: 12px;
      color: rgb(147, 153, 159);
    }
  }
}
</style>
